TTY Detection

Boolean Return

Stderr Output

TTY Suppression

Output Feedback

Correct Exports

update-notifier import

Package metadata usage

Basic notification display

CI detection

Test environment handling

npm script behavior

Environment variable opt-out

TTY detection

Package initialization

Background check invocation

Update notification display

Check interval configuration

State persistence

Proper API integration

updateNotifier import

distTag option usage

pkg object structure

updateCheckInterval configuration

notify() method

Environment-based disable

Return value handling

Import update-notifier

Create notifier instance

Environment variable detection

CLI flag detection

Config-based opt-out

Call notify method

Class Constructor

Private Fields

recordCheck Method

getLastCheck Method

getCheckCount Method

Read-Only Accessors

Defensive Copying

Encapsulation Integrity

UpdateNotifier instantiation

fetchInfo() method usage

Update object access

Update type classification

Version comparison logic

Async/Promise handling

Package Import

Package.json Import

Factory Initialization

Notify Method

Automatic Environment Detection

Deferred Notification

Automatic Caching

UpdateNotifier instantiation

fetchInfo() usage

Promise handling

Update info extraction

Conditional logic

Error handling

Update notifier initialization

Custom message template

Placeholder substitution

Boxen options configuration

Border customization

Additional box styling